mirror of
https://github.com/geometer/FBReaderJ.git
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104 lines
3.4 KiB
Java
104 lines
3.4 KiB
Java
/*
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* Copyright (C) 2009-2011 Geometer Plus <contact@geometerplus.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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package org.geometerplus.android.fbreader.api;
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import org.geometerplus.zlibrary.text.view.*;
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import org.geometerplus.fbreader.fbreader.FBReaderApp;
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public class ApiImplementation extends ApiInterface.Stub implements ApiMethods {
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private final FBReaderApp myReader = (FBReaderApp)FBReaderApp.Instance();
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@Override
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public ApiObject request(int method, ApiObject[] parameters) {
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try {
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switch (method) {
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case GET_BOOK_LANGUAGE:
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return ApiObject.envelope(getBookLanguage());
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case GET_PARAGRAPHS_NUMBER:
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return ApiObject.envelope(getParagraphsNumber());
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case GET_ELEMENTS_NUMBER:
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return ApiObject.envelope(getElementsNumber(
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((ApiObject.Integer)parameters[0]).Value
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));
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case GET_PARAGRAPH_TEXT:
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return ApiObject.envelope(getParagraphText(
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((ApiObject.Integer)parameters[0]).Value
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));
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case GET_PAGE_START:
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return getTextPosition(myReader.getTextView().getStartCursor());
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case GET_PAGE_END:
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return getTextPosition(myReader.getTextView().getEndCursor());
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case SET_PAGE_START:
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setPageStart(
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(TextPosition)parameters[0]
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);
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return ApiObject.Void.Instance;
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default:
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return new ApiObject.Error("Unsupported method code: " + method);
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}
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} catch (Throwable e) {
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return new ApiObject.Error("Exception in method " + method + ": " + e.getMessage());
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}
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}
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private String getBookLanguage() {
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return myReader.Model.Book.getLanguage();
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}
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private TextPosition getTextPosition(ZLTextWordCursor cursor) {
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return new TextPosition(
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cursor.getParagraphIndex(),
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cursor.getElementIndex(),
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cursor.getCharIndex()
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);
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}
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private void setPageStart(TextPosition position) {
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myReader.getTextView().gotoPosition(position.ParagraphIndex, position.ElementIndex, position.CharIndex);
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myReader.getViewWidget().repaint();
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}
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private int getParagraphsNumber() {
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return myReader.Model.BookTextModel.getParagraphsNumber();
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}
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private int getElementsNumber(int paragraphIndex) {
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final ZLTextWordCursor cursor = new ZLTextWordCursor(myReader.getTextView().getStartCursor());
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cursor.moveToParagraph(paragraphIndex);
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cursor.moveToParagraphEnd();
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return cursor.getElementIndex();
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}
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private String getParagraphText(int paragraphIndex) {
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final StringBuffer sb = new StringBuffer();
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final ZLTextWordCursor cursor = new ZLTextWordCursor(myReader.getTextView().getStartCursor());
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cursor.moveToParagraph(paragraphIndex);
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cursor.moveToParagraphStart();
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while (!cursor.isEndOfParagraph()) {
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ZLTextElement element = cursor.getElement();
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if (element instanceof ZLTextWord) {
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sb.append(element.toString() + " ");
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}
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cursor.nextWord();
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}
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return sb.toString();
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}
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}
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